Synergy of GHKCu and hyaluronic acid on collagen IV upregulation via fibroblast and exvivo skin tests Jiang 2023 Journal of Cosmetic Dermatology Wiley Online Library My friend Andy Hnilo uses GHK copper peptides in his Alitura skin care line, which helped him recover with almost no scarring from a horrific car accident that broke his jaw in five Peptides for Plastic Surgery: Weight Loss, Skin, Healing & Recovery The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline GHK Cu Peptide: What It Does for Body Composition and Metabolic Health GHK Cu Peptides: Unlocking the Copper Peptide Revolution in Skin Care